Can they dance?
Yes, they can
Can she swim?
Yes, she can
Can he draw?
Yes, he can
Can it play tennis?
No, it can't
Can you ride a bike?
Yes, I can / No, I can't
Can he cook?
No, he can't
Can you skateboard?
Yes, I can. / No, I can't.
Can you sing??
Yes, I can / No, I can't
Can he swim?
Yes, he can
Can she ride a horse?
Yes, she can